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Ted Ritter, Toyota Master Tech

Category: Toyota

Satisfied Customers: 4400

Experience: Toyota Master Tech, ASE Certified

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This is a 6cylinder 4 liter engine, it started with a single

Customer Question

This is a 6cylinder 4 liter engine, it started with a single misfire & then got much worse. the ck engine light stays on & no sparkJA: How many miles are on the car? Is it a steady misfire? Or random?Customer: 60,000 miles, misfire was random now no sparkJA: What is the model/year of your Toyota?Customer: 2013JA: Are you hoping to fix this yourself? What have you tried so far?Customer: We feel its the computer, or the wiring harness. we have done fuel pressure tests & ign output tests, ign signal fails just after starting. the misfire codes I understand, but it does not point me to why.JA: Anything else you think the mechanic should know?Customer: If it was any of the inputs the computer would have shown what signal was failingJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Toyota Mechanic about your situation and then connect you two.

There is a service bulletin for this condition T-SB-0047-10, please copy the bulletin number into your browser for a complete copy and repair procedure, if that doesn't work I'll give you a link to use.​